Outdoor Garden at Golden Nugget in Las Vegas, NevadaMay 10, 2011We recently returned from our spring vacation that was spent from May 8 to 14 in Las Vegas and May 15 to 25 in Florida with a brief stop over between at home. We have been going to Las Vegas since the 1990's, usually once a year. During our first visit there and subsequently since it has always stuck me as what an ecological